National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

Use the new Winter Storm Severity Index (WSSI) to find potential winter impacts for your community. Expected winter storms are given an 'impact ranking' in 6 categories, ranging from 'No Impacts' to 'Extreme Impacts'. This product combines forecasts such as snow amount, snow load, and blowing snow to come up with an all-encompassing forecast.